val can process two or more files on a given command line, and in turn can process multiple command lines (when reading the standard input). In these cases, an aggregate code is returned which is the logical OR of the codes generated for each command line and file processed.

Options

The following options are supported:

-s

Silent. Suppresses the normal error or warning messages.

-mname

Compares name with the %M% ID keyword in the s.file.

-rsid

Checks to see if the indicated SID is ambiguous, invalid, or absent from the s.file.

-ytype

Compares type with the %Y% ID keyword.

Environment Variables

See environ(5) for descriptions of the following environment variables that affect the execution of val: LANG, LC_ALL, LC_CTYPE, LC_MESSAGES, and NLSPATH.